diff --git a/tools/pip-requires b/tools/pip-requires
index b994e1f440..99966a5cc6 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -9,6 +9,7 @@ cliff>=1.3.1
 django>=1.4,<1.5
 django_compressor
 django_openstack_auth>=1.0.3
+dnspython>=1.10.0
 eventlet>=0.9.12
 extras
 flask==0.9